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Old 12-08-08, 02:35 PM   #23 (permalink)
ntsqd
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Join Date: Apr 2007
Location: So. CA
Posts: 1,743
Quote:
Originally Posted by Tinker View Post
NT -
I think the whole question of MC bore goes back to rear discs: when installed with the 4runner fronts they add significant piston area & make the stock MC borderline inadequate.
I understand that desire, but I've seen posts on going to various larger bore m/c's w/o rear discs.
IME going to larger bore to satisfy the needs of the brakes that do maybe 20% of the high speed work is going at things the wrong way. Make the fronts work the way you want (pedal feel & travel distance), then chose and adjust the choice of the rear parts to work without changing the front set-up. Because of the inter-relatedness of the front & rear systems I realize that it isn't as easy I as I make it sound, but it is the correct priority sequence - it just may take several iterations to get there. Toyota doesn't hit it spot-on the first time, every time with a new vehicle. They will have to try different combo's in the prototype stage. No reason to think that we will get it right first time out of the box.

Quote:
I'd love to have a local brake parts place where I could look at all manner of Toyota calipers. Instead, I'll have to go to the typical Toyota junkyard where some monkey will tell me "that whole pile is Tacundra stuff" & I'll believe him until I get it home.
It's local brake/suspension parts warehouse that also sells retail. Your local non-chain retail parts places get some or most of their stock from local to semi-local warehouses, could be they're listed in the yellows. They may or may not want to sell to you, but they might be willing to pull parts for you to look at.

FWIW the GM 14BFF drum brakes are the same way about being in adjustment. Can't believe how good those brakes can get when they're adjusted correctly. And contrary to the parts installed, they really do not self-adjust.

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Last edited by ntsqd; 12-08-08 at 02:41 PM.
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